Home / 27,556.81-41,302.41-19,191.53

Finding the Fourth Proportional to 27,556.81, 41,302.41 and 19,191.53

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Solution

The fourth proportional to 27,556.81, 41,302.41 and 19,191.53 is: 28,764.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,556.81 : 41,302.41 = 19,191.53 : x
  2. Step 2: Convert to fraction form
    27,556.81/41,302.41 = 19,191.53/x
  3. Step 3: Cross multiply
    27,556.81x = 41,302.41 × 19,191.53
  4. Step 4: Simplify right side
    27,556.81x = 792,656,471.88
  5. Step 5: Solve for x
    x = 792,656,471.88/27,556.81
  6. Step 6: Final answer
    x = 28,764.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.